SoundSource Gives You Control over Audio Devices on the Mac

If you're a musician, do audio editing on your Mac, or just use your Mac in conjunction with multiple audio inputs and outputs, you're probably tired of OS X's lackluster support for quickly managing your audio devices. Thankfully, the folks at Rogue Amoeba built SoundSource, a tiny utility that allows you to quickly switch and adjust audio sources from the menubar. You can choose between inputs with a single click, and even independently adjust the volume for each audio output before you switch to it.

SoundSource requires Mac OS X 10.5 "Leopard" or higher, and is completely free. SoundSource is a small download, and doesn't drain system resources when running. Once you have the app installed, running it adds the app's icon to your menubar, where you can click to see SoundSource's settings. To get the best benefit from the app, you'll likely want to add the app to your login items, an option you can toggle from the settings menu.

Clicking the SoundSource menu gives you a list of all of your Mac's current audio inputs and outputs, with a special section for system sounds. You can choose among inputs and outputs by clicking on them, so for example if you're on a Skype call and want to record your voice with a USB microphone but have the audio routed to your headset, you can toggle them independently. You can also set the volume level for the system in general, and each active input or output device.

One of the interesting features that SoundSource gives you is the ability to set a custom volume level for system sounds, and change the audio device for the system independently of other apps. This means you can, for example, have system sounds routed to your Mac's internal speakers, while using a headset for everything else.

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